Manufacturer: Cheongdam Watch Shop v2026 Product Name: AP 15407ST Gold Double Balance Wheel Openworked Movement: Currently the highest-quality modified automatic movement available Glass: Sapphire crystal glass (scratch-resistant) *Shipping may vary depending on the manufacturer’s completion schedule.* *Please do not compare this with cheap, low-quality products.* < Product renewal using the highest-quality model currently available > STEP 1: Complete disassembly and reassembly, along with low-noise rotor adjustment STEP 2: Bezel flushing work and full watch sanding